WEG Stand Alone Soft Starters

WEG soft starters were designed to ensure the best performance for each application, offering resources that enable to start, stop and protect electric motors in a simple and efficient way.

WEG Soft Starter SSW07

WEG Stand Alone Soft Starter SSW05

The SSW05 Plus Micro Soft Starters are compact, optimisating the space in electrical panels and incorporates all protections for the driven motor.

SSW05 soft-starters are static starters designed for motor acceleration, deceleration and protection. The control of the voltage applied to the motor, by adjusting the firing angle of the thyristors, provides smooth starts and stops. By properly setting the variables, the obtained torque is adjusted to the load requirement, ensuring the minimum necessary starting current.

The SSW05, featuring DSP control (Digital Signal Processor),  is designed for optimal performance in motor start and stop, with excellent cost effectiveness. They incorporate all the protections for you electric motor, in addition to being easily set, simplifying the start-up activities and daily operations. Their compact dimensions contribute to the optimization of spaces in electrical panels.

Features & Benefits

  • Built-in bypass
  • Control with digital processor (DSP)
  • High efficiency
  • Compact
  • It extends the lifespan of the motor and mechanical devices of the driven machine by eliminating mechanical shocks
  • Easy to operate, adjust and service
  • Simple electrical installation
  • Operation in environments up to 55 °C
  • Great reduction of the stresses on the couplings and driving devices (gear boxes, pulleys, gears, belts, etc.) during the start

Applications

  • Rotary vane vacuum pump
  • Centrifugal pumps
  • Calenders (starts with no load)
  • Screw compressors (start in relief)
  • Mixers
  • Cellulose refiners 
  • Axial fans (low inertia – light load)

WEG Stand Alone Soft Starter SSW07

The SSW07, with DSP (Digital Signal Processor) control, was designed for high performance on motor starts and stops with an excellent cost-benefit ratio. Easy to set up, it simplifies start-up activities and daily operations.

The SSW07 is compact optimising space in electric panels. It already incorporates electric motor protection and adapts to customer needs through its easy-to-install optional accessories.

Applications

The three-phase voltage control on the SSW07 allows its use in heavy applications, such as:

  • Reciprocating, Centrifugal Pumps
  • Refrigeration (screw and piston)
  • Fans, Exhausters, Blowers, and Air Compressors
  • Mixers and Aerators
  • Rock Crushers, Grinders, Woodchippers, and Paper Refiners
  • Ball and Hammer Mills
  • Load Conveyors.

Benefits

  • Elimination of mechanical shocks 
  • Full electronic protection of the motor
  • Longer lifespan of the motor and equipment
  • Limitation of voltage drops at the start
  • Built-in bypass, providing size reduction and energy savings
  • Great reduction of the stresses on the couplings and driving devices (gear boxes, pulleys, gears, belts, etc.) during the start
  • Operation in environments up to 55 °C (without current derating for all models)
  • Prevention of water hammer in pumps
  • Built-in electronic thermal relay
  • Kick Start function to start loads with high static friction 
  • Easy to operate, adjust and service
  • Monitoring of the voltage of the electronics, allowing backups of the values i x t (thermal image)
  • Simple electrical installation
  • Switched electronics power supply with EMC filter (110 to 240 V AC)

Features

  • Currents: 17 to 412 A
  • Voltage: 220 to 575 V
  • Built-in bypass
  • High starting duty
  • Total control on the three phases
  • Protection of the motor and built-in starter
  • “Kick-Start” function for starting loads with high static friction
  • Remote or local HMI (optional)
  • Input for the motor PTC (optional)
  • Operation in environments up to 55 °C
  • Extremely reduced weights and dimensions
  • RS-232, RS-485, DeviceNet or Ethernet communication (optional)

WEG Stand Alone Soft Starter SSW08

The SSW08 soft-starter is a static starter, designed for acceleration, deceleration and protection of three-phase induction motors by controlling the voltage applied to the motor. Its compact design contributes to optimising spaces in electric panels, and it has all the protections for the electric motor, adapting to the application requirements through optional accessories.

Applications

  • Reciprocating, Centrifugal Pumps
  • Fans, Exhausters, Blowers, and Air Compressors
  • Refrigeration (screw and piston)
  • Mixers and Aerators
  • Rock Crushers, Grinders, Woodchippers, and Paper Refiners
  • Ball and Hammer Mills
  • Load Conveyors.

Benefits

  • Elimination of mechanical shocks
  • Full electronic motor protection
  • Longer lifespan of the motor and equipment
  • Limitation of voltage drops at the start
  • Built-in bypass, providing size reduction and energy savings
  • Great reduction of the stresses on the couplings and driving devices (gear boxes, pulleys, gears, belts, etc.) during the start
  • Operation in environments up to 55 °C (without current derating for all models)
  • Prevention of water hammer in pumps
  • Built-in electronic thermal relay
  • Kick Start function to start loads with high static friction
  • Easy to operate, adjust and service
  • Monitoring of the voltage of the electronics, allowing backups of the values i x t (thermal image)
  • Simple electrical installation
  • Switched electronics power supply with EMC filter (110 to 240 V AC)

Features

  • Currents: 17 to 412 A
  • Voltage: 220 to 575 V
  • Built-in bypass
  • Two-phase motor control
  • Protection of the motor and built-in starter
  • “Kick-Start” function for starting loads with high static friction
  • Remote or local HMI (optional)
  • Input for the motor PTC (optional)
  • Operation in environments up to 55 °C
  • Extremely reduced weights and dimensions
  • Profibus DP, DeviceNet, RS232 and RS485 communication (optional)

WEG Stand Alone Soft Starter SSW09

Soft-starters are drives dedicated to the smooth acceleration and deceleration of three-phase electric motors by controlling the voltage applied to the motor. With proper adjustment of the variables, the torque produced is adjusted to the load requirement, thus ensuring that the requested current is the minimum required for starting. The SSW900 is a soft-starter with three-phase motor control, built-in by-pass and torque control. Intended to drive motors from 10 to 1.400 A.

The SSW900 soft starters feature a microprocessor, incorporate state-of-the-art technology, and are designed to ensure the best performance in the start and stop of induction motors, being a complete, low-cost solution. The operating interface also enables easy parameter setting, facilitating the start-up and operation. In addition, the built-in Pump Control function enables effective pump control, thus preventing water hammer, and the torque control function enables accelerations and decelerations with linear speed ramps.

Benefits

  • Built-in bypass, providing size reduction and energy savings
  • Ambient temperature up to 55°C without current derating
  • Possibility of standard connection (3 wires) or motor inside delta connection (6 wires)
  • Inputs and outputs with programmable functions and quick connect terminals
  • Different control methods via extremely high-performance algorithms, totally flexible, to meet the needs of any motor start and stop application needs
  • Pump control function for smart control of pumping systems
  • Advanced techniques to detect faults in the power supply and connections, enabling the user to choose the protection actuation between fault or alarm for full motor protection
  • Fire mode (emergency start)
  • Oriented start-up
  • WPS: free software to program both soft-starter and SoftPLC
  • 2 independent slots to connect plug-in modules
  • Real time clock
  • Fault and alarm log saved with time and date by the RTC
  • Exportation of the WPS history to csv file
  • Optional varnishing of the standard 3C2 or 3C3 boards, according to IEC60721-3-3

Applications

  • Reciprocating, Centrifugal Pumps
  • Fans, Exhausters, Blowers, and Air Compressors
  • Refrigeration (screw and piston)
  • Mixers and Aerators
  • Rock Crushers, Grinders, Woodchippers, and Paper Refiners
  • Ball and Hammer Mills
  • Load Conveyors.
WEG SSW900
WEG SSW900 Programming

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